1. Two new operations for obstruction of the nasal duct with preservation of the canaliculi and an incidental description of a new lacrimal probe;Caldwell;NY Med J,1983
2. A window resection of the nasal duct in cases of stenosis;West;Trans Am Ophthalmol Soc,1910
3. Endonasal laser dacryocystorhinostomy: a new approach to nasolacrimal duct obstruction;Massaro;Arch Ophthalmol,1990
4. Probes for intubation in lacrimal drainage;Quickert;Trans Am Acad Ophthalmol Otolaryngol,1970
5. Silicone tubing in canalicular obstructions;Katowitz;Arch Ophthalmol,1974